This document discusses the evolution of the Indian railway ticketing system from a manual process to a computerized and online system. It describes the key stages in this evolution from the 1980s to present day, including the introduction of self-printing ticketing machines, networking solutions, credit card payments, websites, SMS tickets, mobile apps and more. It also discusses how Indian Railways has changed its marketing strategies, applying the 4 C's (customer, communication, convenience, cost) rather than the traditional 4 P's. This includes services provided, pricing strategies, improved booking options, and promotional activities to better communicate with customers.